85215361

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 116717760

約数和(自身を除く): 31502399

約数列:

[1, 7, 11, 19, 49, 53, 77, 133, 157, 209, 371, 539, 583, 931, 1007, 1099, 1463, 1727, 2597, 2983, 4081, 7049, 7693, 8321, 10241, 11077, 12089, 20881, 28567, 32813, 49343, 58247, 77539, 84623, 91531, 146167, 158099, 229691, 407729, 542773, 640717, 1106693, 1607837, 1739089, 4485019, 7746851, 12173623, 85215361]

約数ペア:

[(1, 85215361), (7, 12173623), (11, 7746851), (19, 4485019), (49, 1739089), (53, 1607837), (77, 1106693), (133, 640717), (157, 542773), (209, 407729), (371, 229691), (539, 158099), (583, 146167), (931, 91531), (1007, 84623), (1099, 77539), (1463, 58247), (1727, 49343), (2597, 32813), (2983, 28567), (4081, 20881), (7049, 12089), (7693, 11077), (8321, 10241)]